US5317651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-linear and adaptive signal-processing device
Assignee: Thales SA
•
Filing: 1993-05-10
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Granted: 1994-05-31
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Expires: 2013-05-10
Abstract
Abstract A signal processing device used for processing images including an optical correlator combined with a neuonal processor.
Inventors
- 👤 Philippe Refregier
- 👤 Jean-Pierre Huignard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:16
CPC Classifications
G; G06; G06E; G06E1/00; G06E1/02; G06N; G06N3/00; G06N3/02; G06N3/06; G06N3/067; G06N3/0675; G06V; G06V10/00; G06V10/88; G03; G03H; G03H1/00; G03H1/0005; G03H2001/0066; G03H2260/00; G03H2260/50; G03H2260/54
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
96 words
A device for processing non-linear adaptive signals, comprising: an image source outputting an image signal to an optical valve, said optical valve including a means for producing and outputting coherent optical waves; an optical interconnection device receiving said output coherent optical waves from said optical valve wherein said optical interconnection device includes an optical filter wherein said optical filter includes a means for optically providing a Fourier plane of said image from said source and wherein said optical interconnection device provides an output; a non-linear, adaptive neuronal processor receiving the output of said optical interconnection device.
Claim 2
Independent Claim
96 words
A device for processing non-linear adaptive signals, comprising: an image source outputting an image signal to an optical valve, said optical valve including a means for producing and outputting coherent optical waves; an optical interconnection device receiving said output coherent optical waves from said optical valve wherein said optical interconnection device includes an optical filter wherein said optical filter includes a means for optically providing a Fourier plane of said image from said source and wherein said optical interconnection device provides an output; a non-linear, adaptive neuronal processor receiving the output of said optical interconnection device.
Claim 3
Dependent Claim
22 words
Signal processing device according to the claim 1, characterized by the fact that the optical interconnection device is of the holographic type.
Claim 4
Dependent Claim
20 words
Signal processing device according to the claim 1, characterized by the fact that the optical filter is a phase filter.
Claim 5
Dependent Claim
22 words
Signal processing device according to the claim 1 or 3, characterized by the fact that the optical filter is an amplitude filter.
Claim 6
Dependent Claim
20 words
Signal processing device according to the claim 1, characterized in that the optical filter is computed and/or synthesized by processor.
Claim 7
Dependent Claim
23 words
Signal processing device according to claim 1, characterized by the fact that the optical filter is a spatially multiplexed optical correlator (16, 17).
Claim 8
Dependent Claim
28 words
Signal processing device according to the claim 6, characterized by the fact that the optical correlator includes a volume photorefractive crystal (17) associated with an optical lens (16).
Claim 9
Dependent Claim
19 words
Signal processing device according to claim 1, characterized by the fact that the optical filter is multiplexed in frequency.
Claim 10
Dependent Claim
30 words
Signal processing device according either of the claim 6 or 7, characterized by the fact that the optical correlator is formed by several thin holograms arranged side by side (27).
Claim 11
Dependent Claim
28 words
Signal processing device according to claim 1, characterized by the fact that the non-linear, adaptive processing device is connected in feedback, upstream with respect to the optical filter.
Claim 12
Dependent Claim
34 words
Signal processing device according to the claim 10, characterized by the fact that the feedback connection is connected to a specialized processor (21) for image processing, placed upstream with respect to the optical valve.
Claim 13
Dependent Claim
28 words
Signal processing device according to the claim 10 or 11, characterized by the fact that the optical valve includes electronic means that provide for an image processing operation.
Claim 14
Dependent Claim
21 words
Signal processing device according to claim 10, characterized by the fact that the feedback loop is connected to the optical valve.
Claim 15
Dependent Claim
27 words
Signal processing device according to the claim 1, characterized by the fact that the neuronal processor is a specialized processing circuit set up with standard electronic technologies..
Claim 16
Dependent Claim
27 words
Signal processing device according to the claim 1, characterized by the fact that the neuronal processor is a specialized processing circuit set up with a digital computer.
Claim 17
Dependent Claim
24 words
Signal processing device according to the claim 1, characterized by the fact that the neuronal processor is a specialized processing circuit including ferro-electric matrices.
Claim 18
Dependent Claim
30 words
Signal processing device according to claim 1, characterized by the fact that a preliminary processing device (20) is interposed between the optical interconnection device and the non-linear, adaptive processing device.
Claim 19
Dependent Claim
21 words
Signal processing device according to the claim 17, characterized by the fact that the preliminary processing device includes a repositioning device.
Claim 20
Dependent Claim
21 words
Signal processing device according to the claim 17, characterized by the fact that the preliminary processing device includes a standardization device.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-05-30 | 1997-11-29 | 1998-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-05-30 | 2001-11-29 | 2002-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-05-30 | 2005-11-29 | 2006-05-31 | $7700.00 | Window Closed / Lapsed |